oblicz Odejmowanie liczb całkowitych szybko
a) [16-(-20)] - ( -4)
b) - (-4) - (-4)
c) (-2) + ( -8) - (+6) - ( -4)
d) (+12) - ( +6) + (+20)
e) -20- (-5) + (-17) - (-3)
f) (-4 +7) - (-10 - 12)
g) -(-11 + 14) - ( 16 - 13)
h) -(12 - 6) + (4-9)
jak najszybciej
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a) [16+20]+4=36+4=40
b) 4+4=8
c) -2-8-6+4=-12
d) 12-6+20=26
e) -20+5-17+3=-29
f) 3-(-22)=3+22=25
g) -(3)-(3)=-3-3=-6
h) -(6)+(-5)=-6-5=-11